Pith Number

pith:T7Q3OTLR

pith:2018:T7Q3OTLRTXCQ5W5VBQQFFPJNJR

not attested not anchored not stored refs pending

On profitability of stubborn mining

Cyril Grunspan, Ricardo P\'erez-Marco

arxiv:1808.01041 v1 · 2018-08-02 · cs.CR · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T7Q3OTLRTXCQ5W5VBQQFFPJNJR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:08:59.252494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fe1b74d719dc50edbb50c2052bd2d4c7bd24c021fd25eb06b83d1ec6a0bf0a4

Aliases

arxiv: 1808.01041 · arxiv_version: 1808.01041v1 · doi: 10.48550/arxiv.1808.01041 · pith_short_12: T7Q3OTLRTXCQ · pith_short_16: T7Q3OTLRTXCQ5W5V · pith_short_8: T7Q3OTLR

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/T7Q3OTLRTXCQ5W5VBQQFFPJNJR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 9fe1b74d719dc50edbb50c2052bd2d4c7bd24c021fd25eb06b83d1ec6a0bf0a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11c1de3ed4e5b08c9f99f9b83bb58f23b4807b59fe217fd6fbc60e439486a540",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-08-02T22:50:39Z",
    "title_canon_sha256": "cc9e2f6dc827068527ed8d7faf01389507c553993d42fd90288e7ac297ddd115"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01041",
    "kind": "arxiv",
    "version": 1
  }
}